News
- Space
MESSENGER eases into Mercury’s orbit
After three flybys, a NASA spacecraft settles in for a closer look at the first planet.
- Chemistry
A bit of fiber makes for sudsier beer
An understanding of bubbly beginnings points to a new way to foam up slow-pouring stout brews.
- Life
In evolution, last really can be first
By tracking bacteria for thousands of generations, researchers show how small DNA changes can eventually put underdogs on top.
- Archaeology
Pueblo traded for chocolate big-time
New evidence of ancient Pueblo cacao drinking feeds a theory of long-distance trade.
